29mm Bar Bolt with Anti Spread Sentinel 6 is a completely new generation of deadlock from Adams Rite that raises the bar in security locking to new heights. Engineered specifically to meet the stringent BS EN 12209 Lock Standard Test to security Grade 6, Sentinel 6 stands in a class of its own. Bolt withstands 10kN side load in unsupported application and 6kN end load. Barbolt with anti-spread feature incorporating the benefits of hookbolt. New patented Adams Rite over-centre mechanism. Enclosed mechanism prevents potential for tampering while under attack. Specifically designed to fit into thermally broken and shopfront applications. Aiding in compliance with current door set standards. Will retro-fit into existing prep for MS2200.